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Campinas

Ricardo Biloti received his B.Sc.(1995), M.Sc. (1998) as well as Ph.D. (2001) in Applied Mathematics from the State University of Campinas (UNICAMP), Brazil. He worked at Federal University of Parana (UFPR), Brazil, as an Adjoint Professor, at the Department of Mathematics, from May 2002 to September 2005, when he joined Unicamp as an Assistant Professor. He has been a collaborator of the Campinas Group since his Ph.D. His research areas are multiparametric imaging methods, like CRS for instance. He has been working on estimating kinematic traveltime attributes and on inverting them to construct velocity models. He is also interested in Numerical Analysis, Numerical Linear Algebra, and Fractals. He is a member of SBMAC (Brazilian Society of Applied Mathematics), SIAM and SEG.

Tiago A. Coimbra received a B.Sc. (2007) in Mathematics from Federal University of Espirito Santo (UFES), M.Sc. (2010) and Ph.D. (2014) in Applied Mathematics from University of Campinas (UNICAMP), Brazil. He is now a researcher at the Center for Petroleum Studies (CEPETRO) at UNICAMP. His research interests include seismic modeling, particularly ray theory, velocity analysis, offset continuation, and image-wave theory. He is a member of SEG, EAGE and SBGf.

Jessé Carvalho Costa (localized in Belém, Pará) received his diploma in Physics in 1983 from the Physics Department, Federal University of Pará (UFPA) and a Doctor degree in Geophysics in 1993 from the Geophysics Department at the same University. He was a Summer Student at Schlumberger Cambridge Research in 1991 and 1992. He spent 1994 and 1995 as a post-doc in the Stanford Tomography Project at Stanford University. He held a faculty position the Physics Department at UFPA from 1989 to 2003. Currently he is Associate Professor in the Geophysics Department, UFPA. His fields of interest include seismic anisotropy, traveltime tomography and seismic modeling.

Jorge H. Faccipieri received a B.Sc. (2010) in Physics from University of Campinas (UNICAMP) and a M.Sc. (2012) in Petroleum Science and Engineering at the same University. He is now a researcher at the Center for Petroleum Studies (CEPETRO/UNICAMP) and also a Ph.D. student in Petroleum Science and Engineering, both at UNICAMP. His research interests include multiparametric traveltimes, velocity analysis and diffractions. Jorge a student member of EAGE and SBGf.

José Jadsom de Figueiredo (localized in Belém, Pará) received a B.Sc. (2006) in Physics from Federal University of Paraiba (UFPB), an M.Sc. (2008) in Physics, and a PhD (2012) in Petroleum Science and Engineering from the State University of Campinas (UNICAMP), Brazil. During his PhD, he spent one year (2010-2011) at Allied Geophysical Laboratories at Houston
University. In October 2012, he has joined the Faculty of Geophysics at Federal University of Pará (UFPA) as an Associate Professor. His research interests include seismic imaging methods, particularly diffraction imaging, physical modeling of seismic phenomena, anisotropy and rock physics . He is a member of EAGE, SEG, SBGf and SPE.

Daniel Macedo (localized in Belém, Pará) received a B.Sc. (2004) in Physics, an M.Sc. (2009) in Geophysics, and a PhD (2014) in Petroleum Engineering from University of Campinas (UNICAMP), Brazil. In his PhD thesis, he investigated the decomposition of sensitivity kernels for full-waveform inversion. He was a postdoc researcher and visiting professor at UNICAMP from October 2014 to August 2015, when he joined the Federal University of Pará in Belém, Brazil, as an Assistant Professor. His research interests include seismic imaging and inversion methods, particularly full-waveform inversion, and scattering theory. He is a member of SEG and SBGf.

Amélia Novais received her M.Sc. in Mathematics from the Brazilian Institute of Pure and Applied Mathematics (IMPA) in 1993 and her PhD in Applied Mathematics from State University of Campinas (Unicamp) in 1998. From 1996 to 2002, she was a professor for Mathematics at the Federal University of Sao Carlos (UFSCar), Brasil. She has joined Unicamp in April 2002 as an Assistant Professor and since 2009 as an Associate Professor. Her research interests focus on partial differential equations and include seismic forward modeling and imaging. In particular, she works with finite differences to obtain the solution of the acoustic, elastic and image wave equations, as well as with the Born and Kirchhoff approximations. Presently, she also studies image-wave equations. She is a member of SEG, SBGf, SBMAC, and SBM.

Antonio J. Ortolan Pereira got his bachelor degree in Geophysics and Economy from the University of Sao Paulo, Brazil, during the early nineties. Since 2000, he has been working for Petrobras in Rio de Janeiro. During this period he has worked as a geophysicist in Seismic Processing and Marine Seismic Acquisition. Between 2008 and 2011 he was involved as a Petrobras manager in the largest time lapse (4D) marine survey in the world (more than 3400 square kilometers in highly congested areas in the Campos and Espirito Santo basins, covering several major offshore fields in Brazil). Currently he is on leave from Petrobras to study Seismic Interferometry towards a master's degree at University of Campinas.

Henrique B. Santos received a B.Sc. (2009) and an M.Sc. (2011) in Geophysics from University of Sao Paulo (USP), Brazil. Since 2011 he has been a Ph.D. student in Petroleum Science and Engineering at University of Campinas (UNICAMP), Brazil.  His research interests include seismic modeling and inversion, particularly migration methods, velocity
analysis, offset continuation, and image-wave theory. He is a member of SEG, EAGE, SBGf, AGU and EGU.

Lúcio T. Santos received his B.Sc. (1982) and M.Sc. (1985) in Applied Mathematics from the State University of Campinas (UNICAMP), Brazil. In 1991 he earned his PhD in Electrical Engineering also from UNICAMP. From 1985 to 1988 he was employed as a Teaching Assistant at the University of Sao Paulo (USP). Since 1988 he has been working for UNICAMP, first as an Assistant Professor and after 1999 as an Associate professor. From 1994 to 1995 he visited Rice University as a postdoc researcher and in 1998, 1999 and 2001 he was a visiting professor at the Geophysical Institute of Karlsruhe University (Germany). His professional interests include seismic modeling and imaging as well as nonlinear optimization and fractals. He is a member of SBMAC (Brazilian Society of Computaional and Applied Mathematics) and SEG. His present activities include the development of new approximations for the P-P reflection coefficient, alternative attributes for AVO analysis, and finite-difference methods for the eikonal and transport equations.

Jörg Schleicher received a BSc (1985) in physics, an MSc (1990) in physics, and a PhD (1993) in geophysics from Karlsruhe University (KU), Germany. From 1990 to 1995, he was employed as a research fellow at KU's Geophysical Institute. From September 1995 to September 1996, he was a visiting scientist at the Institute for Mathematics, Statistics, and Scientific Computing of State University of Campinas (IMECC/UNICAMP) in Brazil with joint grants from the Brazilian Research Council CNPq and Alexander von Humboldt foundation. Since October 1996, he has been a professor for Applied Mathematics at IMECC/UNICAMP, first an Associate Professor and since 2013 a Full Professor. In 1998, he received SEG's J. Clarence Karcher Award. His research interests include all forward and inverse seismic methods, in particular Kirchhoff modeling and imaging, amplitude-preserving imaging methods, ray tracing, and model-independent stacking. He is a member of SEG, EAGE, DGG, AGU, SBGf, and SBMAC.

Martin Tygel received his B.Sc. in physics from Rio de Janeiro State University in 1969, his M.Sc. in 1976 and Ph.D. in 1979 from Stanford University, both in Mathematics. He was a visiting professor at the Federal University of Bahia (PPPG/UFBa), Brazil, from 1981 to 1983 and at the Geophysical Institute of Karlsruhe University, Germany, in1990. In 1984, he joined Campinas State University (UNICAMP) as an associate professor and since 1992 as a full professor in Applied Mathematics. Professor Tygel has been an Alexander von Humboldt fellow from 1985 to 1987. In that period, he conducted research at the German Geological Survey (BGR) in Hannover. From 1995 to 1999, he was the president of the Brazilian Society of Applied Mathematics (SBMAC). In2002, he received EAGE's Conrad Schlumberger Award, and in 2007 the Lifetime Achievement Award by the Brazilian Geophysical Society (SBGf). In 2014 he has been elected member of the Brazilian Academy of Sciences. Prof. Tygel's research interests are in seismic processing, imaging and inversion. Emphasis is aimed on methods and algorithms that have a sound wave-theoretical basis and also find significant practical application. These include, for example, the unified approach of seismic reflection imaging (problem-specific combinations of true-amplitude migration and demigration) and, more recently, data-driven seismic imaging approaches such as the Common Reflection Surface (CRS) method. Prof. Tygel is a member of SEG, EAGE, SBGf, and SBMAC.

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